Key Specifications / Features
Model No.: SJ-BFV-04 Hits: 221
Detail Information
QYKD743H Electric-Hydraulic Operated Quick Closing Triple-Eccentric Butterfly Valve is mainly used in the systems with high security level like steam turbine extraction line, inlet pipe of Top Gas Pressure Recovery Turbine Unit(TRT ). This butterfly valve is taken as one shut-off valve at emergency. When there was an emergency, this valve can be shut off within 0.3-0.8s, to ensure the whole system safety.
Electric-hydraulic rapid-closure butterfly valve includes main valve,gear rack,hydro-cylinder actuator,Hydraulic system,electrical control system. All these parts constitutes a complete system. Structure is compact,save space.
QYKD743H Electric-hydraulic control quick closing triple offset butterfly valve
Functions of QYKD743H Electric-hydraulic control quick closing triple offset butterfly valve
1.Fast response speed, closing time can achieve less than 0.5 seconds;
2.High integration and bring closed oil source, compact structure, small volume, light weight;
3.Have run test and the position function, ensuring safe and reliable operation of the valve;
4.A buffer device, to prevent shock;Can be slow, normal adjustment valve;
5.Hydraulic components without leakage, high reliability of imported components;
6.Can be realized according to need to adjust, globe and fast clearance function, applicable range is extensive;
7.In any unit accident situation, can guarantee the normal work.
QYKD743H Electric-hydraulic control quick closing triple offset butterfly valve
Technical Data
QYKD743H Electric-Hydraulic Operated Quick Closing Triple-Eccentric Butterfly Valve
Control Principle of Electric-Hydraulic Operated Quick Closing Triple-Eccentric Butterfly Valve
Installation Position
Specifications of QYKD743H Electric-Hydraulic Operated Quick Closing Triple-Eccentric Butterfly Valve
| Product Name | QYKD743H Electric-hydraulic control quick closing triple offset butterfly valve | ||
| Nominal Pressure | PN | ANSI | |
| 0.6-4.0MPa | 150-300 LB | ||
| Strength Test | 1.5 Times | ||
| Water Pressure Seal Test | 1.1 Times | ||
| Air Pressure Seal Test | 0.6 MPa | ||
| Valve Material | Carbon Steel | Alloy Steel | Ci Ni Mo Ti Steel, Ci Ni Ti Steel |
| Working Temperature | -29-425℃ | -29-530℃ | -29-600℃ |
| Medium | Water, Steam, Air, Oil, etc | ||
Flow Parameter of QYKD743H Electric-Hydraulic Operated Quick Closing Triple-Eccentric Butterfly Valve
| DN | min | 200 | 250 | 300 | 350 | 400 | 450 | 500 |
| in | 8 | 10 | 12 | 14 | 16 | 18 | 20 | |
| Flow coefficient C | 2256 | 3178 | 4912 | 6317 | 8601 | 11053 | 13350 | |
| DN | min | 600 | 700 | 800 |
| in | 24 | 28 | 32 | |
| Flow coefficient C | 21459 | 33866 | 42638 | |
Dimensions
QYKD743H Electric-Hydraulic Operated Quick Closing Triple-Eccentric Butterfly Valve
